What is the warranty period?

We provide a 5-year warranty for this solar water heater.

What are the payment terms?

We accept payment via T/T, Western Union, and Money Gram.

What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-season periods.

Low Pressure Solar Water Heater with Vacuum Tubes

Name: Low Pressure Solar Water Heater with Vacuum Tubes
Brand: Changzhou Raven New Energy Technology Ltd
SKU: 912252065

Jiangsu, ChinaChangzhou Raven New Energy Technology Ltd

US$200.00

5-9 Pieces

US$180.00

10-49 Pieces

US$160.00

50+ Pieces

Sample price:US$300.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

5 Year

Model NO.

RNE-NC-20

Max. Capacity

300L

Structure

Compact Type

Pressure

Unpressurized

Interior Material

Stainless Steel

Collector Components

Glass Vacuum Tube

Composition

Collector

Certification

CE, ISO9001, CCC

System Type

Non Pressure Solar Water Heater

Installation

Rooftop Mounting

Tank Capacity

200liter

Inner Tank Material

SUS304 2b Stainless Steel 0.41mm

Outer Tank Material

Painted Galvanized Steel 0.31mm

Insulation Layer

Polyurethane Foam 55mm

Solar Collector

Solar Vacuum Tube

Tube Coating Structure

Three Target Coating

Tube Material

High Borosilicate Glass 3.3, 1.6mm Thick

Stand Frame

Galvanized Steel 1.5mm

Accessory

Feeder Tank, Electric Heater, Controller

Transport Package

Carton

Specification

200L

Trademark

RAVEN NEW ENERGY

Origin

China

HS Code

84191910

Production Capacity

2000PCS/ Month

Key features

Thermosyphon Natural Circulation: Uses simple thermal circulation without pumps, connecting collector and tank directly.

High Efficiency Conversion: Features AL-SS-CU absorb coating on borosilicate glass tubes for superior photo thermal conversion.

Durable Stainless Steel Tank: Inner tank made of 0.41mm SUS304-2B food grade stainless steel with 55mm polyurethane insulation.

Weather Resistant Design: Vacuum tubes resist 25mm hail, ensuring stable operation in harsh weather conditions.

Long Heat Preservation: Maintains water temperature for up to 72 hours due to advanced insulation layer.

Easy Maintenance Structure: Simple design with popular accessories allows for straightforward maintenance and installation.

Certified Quality Assurance: Product holds CE, ISO9001, and CCC certifications for safety and quality standards.

5-Year Comprehensive Warranty: Provides a 5-year warranty coverage for peace of mind and long-term reliability.

Company profile

Changzhou Raven New Energy Technology Ltd

Jiangsu, China

Business Type: Manufacturer/FactoryExport Year: 2020-02-04Nearest Port: ShanghaiAverage Response Time: ≤8.50hTerms of Payment: T/T, Western Union, Money GramInternational Commercial Terms(Incoterms): FOB, CIF, DDP

AI-Powered supplier vetting

SummaryChangzhou Raven New Energy Technology Ltd is identified as a Chinese manufacturer/factory specializing in solar energy products, including solar water heaters, collectors, panels, power systems, ovens, lighting, and inverters. The supplier reports ISO 9001 certification, an in-house research team, 6–10 years of R&D engineer experience, and 6–10 quality-control staff. It reports more than 10 production lines, lead times within 15 workdays in both peak and off-peak seasons, and exports to multiple global regions. The supplier also states that customized application development is important to its business. However, the provided information does not establish after-sales service procedures, financial credibility, or detailed customer references. Trade records show one transaction each involving curtain-related products and electric storage water heaters with a buyer in Kenya, indicating limited externally documented transaction history in the supplied data.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and describes itself as a producer and seller of solar energy-saving products. Its stated specialization includes solar systems and related products, which is consistent with a manufacturing-oriented supplier profile.

CertificationsThe supplier reports holding ISO 9001 certification for its management system. This provides explicit evidence of a documented quality-management certification, although no certificate scope, issuing body, or validity period is provided.

R&D capabilityThe supplier states that it maintains an in-house research team and emphasizes product development and design, with total R&D engineer experience reported at 6–10 years. These statements provide explicit evidence of R&D and development resources, although no patents, new-product records, or technical performance results are supplied.

Production capacityThe supplier reports more than 10 production lines, a 45,000-square-meter facility, more than 100 employees, and order fulfillment within 15 workdays in both peak and off-peak seasons. These stated facilities, staffing, production-line count, and lead times support a positive assessment of production capacity.

Customization capabilityThe supplier explicitly states that customized application development is essential for promoting solar rooftop and thermal applications and that it has emphasized in-house development. This supports the existence of customization-oriented development capability, though specific customization examples or execution limits are not provided.

Product Q&A

Q:How does the water heating mechanism work?

It uses a thermosyphon system where cold water is heated by solar vacuum tubes and naturally rises to the tank, creating a continuous circulation without needing a pump.

Q:What materials are used for the tank?

The inner tank is made of 0.41mm SUS304-2B food grade stainless steel, and the outer tank is also SUS304-2B stainless steel.

Q:Is the solar water heater resistant to hail?

Yes, the vacuum tubes are designed to resist hail up to 25mm in diameter.

Q:How long does the water stay hot?

The unit features a 55mm polyurethane insulation layer that provides heat preservation for up to 72 hours.

Q:What certifications does the product have?

The product is certified with CE, ISO9001, and CCC standards.